128045950

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 243506736

約数和(自身を除く): 115460786

約数列:

[1, 2, 5, 10, 25, 50, 113, 131, 173, 226, 262, 346, 565, 655, 865, 1130, 1310, 1730, 2825, 3275, 4325, 5650, 6550, 8650, 14803, 19549, 22663, 29606, 39098, 45326, 74015, 97745, 113315, 148030, 195490, 226630, 370075, 488725, 566575, 740150, 977450, 1133150, 2560919, 5121838, 12804595, 25609190, 64022975, 128045950]

約数ペア:

[(1, 128045950), (2, 64022975), (5, 25609190), (10, 12804595), (25, 5121838), (50, 2560919), (113, 1133150), (131, 977450), (173, 740150), (226, 566575), (262, 488725), (346, 370075), (565, 226630), (655, 195490), (865, 148030), (1130, 113315), (1310, 97745), (1730, 74015), (2825, 45326), (3275, 39098), (4325, 29606), (5650, 22663), (6550, 19549), (8650, 14803)]